Compare performance Billy intentionally doesn't support MP3 id-tags and doesn't show the playing time from each song. Though this may seem a big disadvantage, you could ask yourself how often you really need those two things. Especially when looking at the speed you win. 1st time load/read of 4000 MP3-tagged files Winamp 5.03 77 sec Winamp 2.91 78 sec Billy 4 sec 2nd time load/read of 4000 MP3-tagged files Winamp 5.03 6 sec Winamp 2.91 0.5 sec Billy 0.09 sec Network load/read of 4000 MP3-tagged files Winamp 5.03 107 sec Winamp 2.91 48 sec Billy 5 sec Memory usage Winamp 5.03 ~13.8 MB Winamp 2.91 ~9.8 MB Billy ~6.5 MB CPU Billy uses Bass (Un4seen) as its decoding engine. This engine has awesome quality and uses 28% less CPU than winamp's decoding engine. Measured with Intel VTune. Main test system Intel Pentium IV Prescott 3.00 GHz Windows 2000 512 MB memory 7200rpm 8MB cached harddisk 23.6 GB of 3924 MP3 files in 364 (sub)folders Network test system Intel Pentium II 266 MHz Windows 2000 128 MB memory 7200rpm harddisk